<template>
  <div class="xtx-cart-page">
    <div class="container">
      <bread>
        <bread-item to="/">首页</bread-item>
        <bread-item>购物车</bread-item>
      </bread>
      <div class="cart">
        <table>
          <thead>
            <tr>
              <th width="120">
                <checkbox @change="checkAll" :modelValue="$store.getters['cart/isCheckAll']">全选</checkbox>
              </th>
              <th width="400">商品信息</th>
              <th width="220">单价</th>
              <th width="180">数量</th>
              <th width="180">小计</th>
              <th width="140">操作</th>
            </tr>
          </thead>
          <!-- 有效商品 -->
          <tbody>
            <tr v-if="$store.getters['cart/validList'].length === 0">
              <td colspan="6">
                <CartNone />
              </td>
            </tr>
            <tr v-for="goods in $store.getters['cart/validList']" :key="goods.skuId">
              <td>
                <checkbox @change="($event) => checkOne(goods.skuId, $event)" :modelValue="goods.selected" />
              </td>
              <td>
                <div class="goods">
                  <RouterLink :to="`/product/${goods.id}`">
                    <img v-lazy="goods.picture" alt="">
                  </RouterLink>
                  <div>
                    <p class="name ellipsis">{{ goods.name }}</p>
                    <!-- 选择规格组件 -->
                    <CartSku @change="$event => updateCartSku(goods.skuId, $event)" :skuId="goods.skuId"
                      :attrsText="goods.attrsText" />
                  </div>
                </div>
              </td>
              <td class="tc">
                <p>&yen;{{ goods.nowPrice }}</p>
                <p v-if="goods.price - goods.nowPrice > 0">
                  比加入时降价 <span class="red">&yen;{{ goods.price - goods.nowPrice }}</span>
                </p>
              </td>
              <td class="tc">
                <numbox @change="$event => updateCount(goods.skuId, $event)" :max="goods.stock"
                  :modelValue="goods.count" />
              </td>
              <td class="tc">
                <p class="f16 red">&yen;{{ Math.round(goods.nowPrice * 100) * goods.count / 100 }}</p>
              </td>
              <td class="tc">
                <p><a href="javascript:;">移入收藏夹</a></p>
                <p><a @click="deleteCart(goods.skuId)" class="green" href="javascript:;">删除</a></p>
                <p><a href="javascript:;">找相似</a></p>
              </td>
            </tr>
          </tbody>
          <!-- 无效商品 -->
          <tbody v-if="$store.getters['cart/invalidList'].length">
            <tr>
              <td colspan="6">
                <h3 class="tit">失效商品</h3>
              </td>
            </tr>
            <tr v-for="goods in $store.getters['cart/invalidList']" :key="goods.skuId">
              <td>
                <checkbox style="color:#eee;" />
              </td>
              <td>
                <div class="goods">
                  <RouterLink :to="`/product/${goods.id}`">
                    <img v-lazy="goods.picture" alt="">
                  </RouterLink>
                  <div>
                    <p class="name ellipsis">{{ goods.name }}</p>
                    <p class="attr">{{ goods.attrsText }}</p>
                  </div>
                </div>
              </td>
              <td class="tc">
                <p>&yen;{{ goods.nowPrice }}</p>
              </td>
              <td class="tc">{{ goods.count }}</td>
              <td class="tc">
                <p>&yen;{{ Math.round(goods.nowPrice * 100) * goods.count / 100 }}}</p>
              </td>
              <td class="tc">
                <p><a @click="deleteCart(goods.skuId)" class="green" href="javascript:;">删除</a></p>
                <p><a href="javascript:;">找相似</a></p>
              </td>
            </tr>
          </tbody>
        </table>
      </div>
      <!-- 操作栏 -->
      <div class="action">
        <div class="batch">
          <checkbox @change="checkAll" :modelValue="$store.getters['cart/isCheckAll']">全选</checkbox>
          <a @click="batchDeleteCart()" href="javascript:;">删除商品</a>
          <a href="javascript:;">移入收藏夹</a>
          <a @click="batchDeleteCart(true)" href="javascript:;">清空失效商品</a>
        </div>
        <div class="total">
          共 {{ $store.getters['cart/validTotal'] }} 件商品，已选择 {{ $store.getters['cart/selectedTotal'] }} 件，商品合计：
          <span class="red">¥{{ $store.getters['cart/selectedAmount'] }}</span>
          <mybutton @click="checkout()" type="primary">下单结算</mybutton>
        </div>
      </div>
      <!-- 猜你喜欢 -->
      <GoodRelevant />
    </div>
  </div>
</template>
<script setup >
import GoodRelevant from '@/views/goods/cpns/goods-relevant.vue'
import CartNone from './cpns/cart-none'
import CartSku from './cpns/cart-sku'
import { useStore } from 'vuex'
import Message from '@/base-ui/message/message'
import Confirm from '@/base-ui/confirm/confirm'
import { useRouter } from 'vue-router'

const store = useStore()

// 单选
const checkOne = (skuId, selected) => {

  store.dispatch('cart/updateCart', { skuId, selected })
}
// 全选
const checkAll = (selected) => {
  store.dispatch('cart/checkAllCart', selected)
}
// 删除
const deleteCart = (skuId) => {
  Confirm({ text: '亲，您是否确认删除商品' }).then(() => {
    store.dispatch('cart/deleteCart', skuId).then(() => {
      Message({ type: 'success', text: '删除成功' })
    })
  }).catch(e => { })
}
// 批量删除选中商品,也支持清空无效商品
const batchDeleteCart = (isClear) => {
  Confirm({ text: `亲，您是否确认删除${isClear ? '失效' : '选中'}的商品` }).then(() => {
    store.dispatch('cart/batchDeleteCart', isClear)
  }).catch(e => { })
}
// 修改数量
const updateCount = (skuId, count) => {
  store.dispatch('cart/updateCart', { skuId, count })
}
// 修改规格
const updateCartSku = (oldSkuId, newSku) => {
  store.dispatch('cart/updateCartSku', { oldSkuId, newSku })
}

// 结算
const router = useRouter()
const checkout = () => {
  // 1. 判断是否选中商品，且提示
  // 2. 弹出确认框，提示：下单结算需要登录
  // 3. 使用导航守卫，遇见需要登录的路由跳转，拦截到登录页面
  if (store.getters['cart/selectedList'].length === 0) {
    return Message({ text: '至少选中一件商品' })
  }
  // 如果登录直接跳转
  if (store.state.user.userInfo.token) {
    return router.push('/member/checkout')
  }
  // 未登录弹出确认框
  Confirm({ text: '下单结算需要登录，确认现在去登录吗？' }).then(() => {
    router.push('/member/checkout')
  }).catch(e => { })
}


</script>
<style scoped lang="less">
.tc {
  text-align: center;

  .xtx-numbox {
    margin: 0 auto;
    width: 120px;
  }
}

.red {
  color: @priceColor;
}

.green {
  color: @xtxColor
}

.f16 {
  font-size: 16px;
}

.goods {
  display: flex;
  align-items: center;

  img {
    width: 100px;
    height: 100px;
  }

  >div {
    width: 280px;
    font-size: 16px;
    padding-left: 10px;

    .attr {
      font-size: 14px;
      color: #999;
    }
  }
}

.action {
  display: flex;
  background: #fff;
  margin-top: 20px;
  height: 80px;
  align-items: center;
  font-size: 16px;
  justify-content: space-between;
  padding: 0 30px;

  .xtx-checkbox {
    color: #999;
  }

  .batch {
    a {
      margin-left: 20px;
    }
  }

  .red {
    font-size: 18px;
    margin-right: 20px;
    font-weight: bold;
  }
}

.tit {
  color: #666;
  font-size: 16px;
  font-weight: normal;
  line-height: 50px;
}

.xtx-cart-page {
  .cart {
    background: #fff;
    color: #666;

    table {
      border-spacing: 0;
      border-collapse: collapse;
      line-height: 24px;

      th,
      td {
        padding: 10px;
        border-bottom: 1px solid #f5f5f5;

        &:first-child {
          text-align: left;
          padding-left: 30px;
          color: #999;
        }
      }

      th {
        font-size: 16px;
        font-weight: normal;
        line-height: 50px;
      }
    }
  }
}
</style>
